How to define pre-diabetic? Is a normal hemoglobin A1c enough to decide, or do you need a glucose tolerance test, and maybe others, like a serum insulin level - Quora
HbA1c Levels – Mortality Biomarker or Random Fluctuation?
Diagnosis | ADA
Understanding Your Test Results: Hemoglobin A1c (HbA1c) | Fitnescity: Fitness Lab Testing. Body Composition Assessments.